public static void CubicCurveRoots(double a, double b, double c, double d, double expectedRoot1, double expectedRoot2, double expectedRoot3)
{
double[] result = AlgebraLibrary.CubicCurveRoots(a, b, c, d);
double result1 = result[0];
double result2 = result.Length > 1 ? result[1] : result[0]; // Returns lowest root if only one is returned
double result3 = result.Length > 2 ? result[2] : result[0]; // Returns lowest root if only one is returned
Assert.AreEqual(expectedRoot1, result1, 0.001);
Assert.AreEqual(expectedRoot2, result2, 0.001);
Assert.AreEqual(expectedRoot3, result3, 0.001);
}
